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4th International Conference and Expo on Computer Graphics & Animation

Berlin, Germany

Lars Linsen

Lars Linsen

Professor, Westfälische Wilhelms-Universität Münster, Germany

Title: Visual Analysis of Spatio-temporal Simulation Ensembles


Biography: Lars Linsen


Mathematical models are used for the description and the understanding of phenomena in all sciences. Numerical simulations support the validation of the models and data assimilation purposes. For computer animations, spatio-temporal simulations are used to derive the appearance of natural phenomena. These simulations often depend on a number of simulation parameters and initial configurations. The selection of these parameters and configurations is often not exactly known or their impact is part of the underlying research tasks. Therefore, multiple simulation runs with varying parameter settings or ensembles of simulations with varying configurations are executed. The analysis of such simulation ensembles is complex, especially when each simulation run represents a four-dimensional spatio-temporal phenomenon. The amount of data of a simulation ensemble often adds up to hundreds of Gigabytes or even Terabytes. The analysis of such complex data is no longer possible without the use of computers. On the other hand, such an analysis typically requires the expertise of a human. For animations, the designer would need to find the simulation run with the desired appearance. As visual representations are intuitive and can be processed efficiently by humans, it is a suitable approach to combine visual representations and interaction mechanisms with automatic analysis steps.
In this talk, I will present novel
visualization methods that allow for an interactive comparative analysis of such large and complex data stemming from spatio-temporal simulation ensembles.

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